UE Angiology Flashcards
What is region I of the axillary artery susceptible to?
aneurysm
What could cause an aneurysm in the region I of the axillary artery?
individuals experiencing repeated rapid arm movements (like baseball pitchers)
What could an aneurysm in the region I of the axillary artery lead to?
compression of the brachial plexus, resulting in pain and loss of sensation
To cut off all blood supply to the arm, ligation must occur where?
Distal to the subscapular artery of the axillary artery
What branches does the thyrocervical trunk give rise to?
Transverse cervical artery and suprascapular artery
What does the suprascapular artery supply?
Supraspinatus and infraspinatus muscles; scapular anastamosis
What branches off the first region of the axillary artery?
Superior (supreme) thoracic artery
What does the superior (supreme) thoracic artery supply?
anterior thoracic wall
When does the subclavian artery become the axillary artery?
after passing the first rib
What branches off the second region of the axillary artery?
Thoracoacromial trunk and lateral thoracic artery
What does the thoracoacromial trunk supply?
Clavicle (subclavius muscle), acromion, deltoid, and pectoralis major and minor muscles
what does the lateral thoracic artery supply?
Serratus anterior muscle
What branches off the third region of the axillary artery?
anterior humeral circumflex artery, posterior humeral circumflex artery, and subscapular artery
What does the anterior circumflex artery supply?
anastomosis with the posterior humeral circumflex artery and supplies the glenohumeral joint and the head of the humerus
what does the posterior circumflex artery supply?
anastomosis with the anterior humeral circumflex artery and supplies deltoid muscle and glenohumeral joint
How do you get three regions of the axillary artery?
with respect to the pectoralis minor muscle
distal to the first rib and proximal to pectoralis minor describes what region?
Region I
Deep to the pectoralis minor describes what region?
Region II
Distal to pectoralis minor and ends at teres major muscle describes what region?
Region III
How is the subclavian artery divided?
Into three regions with respect to the anterior scalene muscle
What is the continuation of the axillary artery after reaching the inferior border of the teres major muscle?
Brachial artery
What is the first branch off of the brachial artery?
deep brachial artery
when does the deep brachial artery branch off of the brachial artery?
immediately distal to teres major muscle
What does the deep brachial nerve travel with?
Radial nerve
